Add FaceDetector Java API
PiperOrigin-RevId: 515913662
This commit is contained in:
MediaPipe Team
Copybara-Service
parent
296ee33be5
commit
131be2169a
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@ -45,6 +45,7 @@ cc_binary(
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deps = [
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"//mediapipe/calculators/core:flow_limiter_calculator",
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"//mediapipe/java/com/google/mediapipe/framework/jni:mediapipe_framework_jni",
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"//mediapipe/tasks/cc/vision/face_detector:face_detector_graph",
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"//mediapipe/tasks/cc/vision/gesture_recognizer:gesture_recognizer_graph",
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"//mediapipe/tasks/cc/vision/image_classifier:image_classifier_graph",
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"//mediapipe/tasks/cc/vision/image_embedder:image_embedder_graph",
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@ -235,6 +236,7 @@ android_library(
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android_library(
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name = "facedetector",
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srcs = [
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"facedetector/FaceDetector.java",
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"facedetector/FaceDetectorResult.java",
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],
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javacopts = [
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@ -245,7 +247,10 @@ android_library(
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":core",
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"//mediapipe/framework:calculator_options_java_proto_lite",
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"//mediapipe/framework/formats:detection_java_proto_lite",
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"//mediapipe/java/com/google/mediapipe/framework:android_framework",
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"//mediapipe/java/com/google/mediapipe/framework/image",
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"//mediapipe/tasks/cc/core/proto:base_options_java_proto_lite",
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"//mediapipe/tasks/cc/vision/face_detector/proto:face_detector_graph_options_java_proto_lite",
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"//mediapipe/tasks/java/com/google/mediapipe/tasks/components/containers:detection",
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"//mediapipe/tasks/java/com/google/mediapipe/tasks/core",
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"//third_party:autovalue",
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@ -0,0 +1,463 @@
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// Copyright 2023 The MediaPipe Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.mediapipe.tasks.vision.facedetector;
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import android.content.Context;
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import android.os.ParcelFileDescriptor;
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import com.google.auto.value.AutoValue;
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import com.google.mediapipe.proto.CalculatorOptionsProto.CalculatorOptions;
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import com.google.mediapipe.framework.AndroidPacketGetter;
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import com.google.mediapipe.framework.Packet;
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import com.google.mediapipe.framework.PacketGetter;
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import com.google.mediapipe.framework.image.BitmapImageBuilder;
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import com.google.mediapipe.framework.image.MPImage;
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import com.google.mediapipe.tasks.core.BaseOptions;
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import com.google.mediapipe.tasks.core.ErrorListener;
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import com.google.mediapipe.tasks.core.OutputHandler;
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import com.google.mediapipe.tasks.core.OutputHandler.ResultListener;
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import com.google.mediapipe.tasks.core.TaskInfo;
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import com.google.mediapipe.tasks.core.TaskOptions;
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import com.google.mediapipe.tasks.core.TaskRunner;
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import com.google.mediapipe.tasks.core.proto.BaseOptionsProto;
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import com.google.mediapipe.tasks.vision.core.BaseVisionTaskApi;
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import com.google.mediapipe.tasks.vision.core.ImageProcessingOptions;
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import com.google.mediapipe.tasks.vision.core.RunningMode;
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import com.google.mediapipe.tasks.vision.facedetector.proto.FaceDetectorGraphOptionsProto;
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import com.google.mediapipe.formats.proto.DetectionProto.Detection;
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import java.io.File;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import java.util.Optional;
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/**
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* Performs face detection on images.
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*
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* <p>The API expects a TFLite model with <a
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* href="https://www.tensorflow.org/lite/convert/metadata">TFLite Model Metadata.</a>.
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*
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* <ul>
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* <li>Input image {@link MPImage}
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* <ul>
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* <li>The image that the face detector runs on.
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* </ul>
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* <li>Output FaceDetectorResult {@link FaceDetectorResult}
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* <ul>
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* <li>A FaceDetectorResult containing detected faces.
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* </ul>
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* </ul>
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*/
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public final class FaceDetector extends BaseVisionTaskApi {
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private static final String TAG = FaceDetector.class.getSimpleName();
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private static final String IMAGE_IN_STREAM_NAME = "image_in";
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private static final String NORM_RECT_IN_STREAM_NAME = "norm_rect_in";
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@SuppressWarnings("ConstantCaseForConstants")
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private static final List<String> INPUT_STREAMS =
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Collections.unmodifiableList(
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Arrays.asList("IMAGE:" + IMAGE_IN_STREAM_NAME, "NORM_RECT:" + NORM_RECT_IN_STREAM_NAME));
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@SuppressWarnings("ConstantCaseForConstants")
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private static final List<String> OUTPUT_STREAMS =
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Collections.unmodifiableList(Arrays.asList("DETECTIONS:detections_out", "IMAGE:image_out"));
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private static final int DETECTIONS_OUT_STREAM_INDEX = 0;
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private static final int IMAGE_OUT_STREAM_INDEX = 1;
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private static final String TASK_GRAPH_NAME =
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"mediapipe.tasks.vision.face_detector.FaceDetectorGraph";
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/**
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* Creates a {@link FaceDetector} instance from a model file and the default {@link
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* FaceDetectorOptions}.
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*
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* @param context an Android {@link Context}.
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* @param modelPath path to the detection model with metadata in the assets.
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* @throws MediaPipeException if there is an error during {@link FaceDetector} creation.
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*/
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public static FaceDetector createFromFile(Context context, String modelPath) {
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BaseOptions baseOptions = BaseOptions.builder().setModelAssetPath(modelPath).build();
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return createFromOptions(
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context, FaceDetectorOptions.builder().setBaseOptions(baseOptions).build());
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}
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/**
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* Creates a {@link FaceDetector} instance from a model file and the default {@link
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* FaceDetectorOptions}.
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*
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* @param context an Android {@link Context}.
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* @param modelFile the detection model {@link File} instance.
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* @throws IOException if an I/O error occurs when opening the tflite model file.
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* @throws MediaPipeException if there is an error during {@link FaceDetector} creation.
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*/
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public static FaceDetector createFromFile(Context context, File modelFile) throws IOException {
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try (ParcelFileDescriptor descriptor =
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ParcelFileDescriptor.open(modelFile, ParcelFileDescriptor.MODE_READ_ONLY)) {
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BaseOptions baseOptions =
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BaseOptions.builder().setModelAssetFileDescriptor(descriptor.getFd()).build();
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return createFromOptions(
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context, FaceDetectorOptions.builder().setBaseOptions(baseOptions).build());
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}
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}
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/**
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* Creates a {@link FaceDetector} instance from a model buffer and the default {@link
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* FaceDetectorOptions}.
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*
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* @param context an Android {@link Context}.
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* @param modelBuffer a direct {@link ByteBuffer} or a {@link MappedByteBuffer} of the detection
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* model.
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* @throws MediaPipeException if there is an error during {@link FaceDetector} creation.
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*/
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public static FaceDetector createFromBuffer(Context context, final ByteBuffer modelBuffer) {
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BaseOptions baseOptions = BaseOptions.builder().setModelAssetBuffer(modelBuffer).build();
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return createFromOptions(
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context, FaceDetectorOptions.builder().setBaseOptions(baseOptions).build());
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}
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/**
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* Creates a {@link FaceDetector} instance from a {@link FaceDetectorOptions}.
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*
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* @param context an Android {@link Context}.
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* @param detectorOptions a {@link FaceDetectorOptions} instance.
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* @throws MediaPipeException if there is an error during {@link FaceDetector} creation.
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*/
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public static FaceDetector createFromOptions(
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Context context, FaceDetectorOptions detectorOptions) {
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// TODO: Consolidate OutputHandler and TaskRunner.
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OutputHandler<FaceDetectorResult, MPImage> handler = new OutputHandler<>();
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handler.setOutputPacketConverter(
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new OutputHandler.OutputPacketConverter<FaceDetectorResult, MPImage>() {
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@Override
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public FaceDetectorResult convertToTaskResult(List<Packet> packets) {
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// If there is no faces detected in the image, just returns empty lists.
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if (packets.get(DETECTIONS_OUT_STREAM_INDEX).isEmpty()) {
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return FaceDetectorResult.create(
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new ArrayList<>(),
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BaseVisionTaskApi.generateResultTimestampMs(
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detectorOptions.runningMode(), packets.get(DETECTIONS_OUT_STREAM_INDEX)));
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}
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return FaceDetectorResult.create(
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PacketGetter.getProtoVector(
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packets.get(DETECTIONS_OUT_STREAM_INDEX), Detection.parser()),
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BaseVisionTaskApi.generateResultTimestampMs(
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detectorOptions.runningMode(), packets.get(DETECTIONS_OUT_STREAM_INDEX)));
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}
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@Override
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public MPImage convertToTaskInput(List<Packet> packets) {
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return new BitmapImageBuilder(
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AndroidPacketGetter.getBitmapFromRgb(packets.get(IMAGE_OUT_STREAM_INDEX)))
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.build();
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}
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});
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detectorOptions.resultListener().ifPresent(handler::setResultListener);
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detectorOptions.errorListener().ifPresent(handler::setErrorListener);
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TaskRunner runner =
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TaskRunner.create(
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context,
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TaskInfo.<FaceDetectorOptions>builder()
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.setTaskName(FaceDetector.class.getSimpleName())
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.setTaskRunningModeName(detectorOptions.runningMode().name())
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.setTaskGraphName(TASK_GRAPH_NAME)
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.setInputStreams(INPUT_STREAMS)
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.setOutputStreams(OUTPUT_STREAMS)
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.setTaskOptions(detectorOptions)
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.setEnableFlowLimiting(detectorOptions.runningMode() == RunningMode.LIVE_STREAM)
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.build(),
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handler);
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return new FaceDetector(runner, detectorOptions.runningMode());
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}
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/**
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* Constructor to initialize a {@link FaceDetector} from a {@link TaskRunner} and a {@link
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* RunningMode}.
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*
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* @param taskRunner a {@link TaskRunner}.
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* @param runningMode a mediapipe vision task {@link RunningMode}.
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*/
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private FaceDetector(TaskRunner taskRunner, RunningMode runningMode) {
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super(taskRunner, runningMode, IMAGE_IN_STREAM_NAME, NORM_RECT_IN_STREAM_NAME);
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}
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/**
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* Performs face detection on the provided single image with default image processing options,
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* i.e. without any rotation applied. Only use this method when the {@link FaceDetector} is
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* created with {@link RunningMode.IMAGE}.
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*
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* <p>{@link FaceDetector} supports the following color space types:
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*
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* <ul>
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* <li>{@link Bitmap.Config.ARGB_8888}
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* </ul>
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*
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* @param image a MediaPipe {@link MPImage} object for processing.
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* @throws MediaPipeException if there is an internal error.
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*/
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public FaceDetectorResult detect(MPImage image) {
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return detect(image, ImageProcessingOptions.builder().build());
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}
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/**
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* Performs face detection on the provided single image. Only use this method when the {@link
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* FaceDetector} is created with {@link RunningMode.IMAGE}.
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*
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* <p>{@link FaceDetector} supports the following color space types:
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*
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* <ul>
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* <li>{@link Bitmap.Config.ARGB_8888}
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* </ul>
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*
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* @param image a MediaPipe {@link MPImage} object for processing.
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* @param imageProcessingOptions the {@link ImageProcessingOptions} specifying how to process the
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* input image before running inference. Note that region-of-interest is <b>not</b> supported
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* by this task: specifying {@link ImageProcessingOptions#regionOfInterest()} will result in
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* this method throwing an IllegalArgumentException.
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* @throws IllegalArgumentException if the {@link ImageProcessingOptions} specify a
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* region-of-interest.
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* @throws MediaPipeException if there is an internal error.
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*/
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public FaceDetectorResult detect(MPImage image, ImageProcessingOptions imageProcessingOptions) {
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validateImageProcessingOptions(imageProcessingOptions);
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return (FaceDetectorResult) processImageData(image, imageProcessingOptions);
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}
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/**
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* Performs face detection on the provided video frame with default image processing options, i.e.
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* without any rotation applied. Only use this method when the {@link FaceDetector} is created
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* with {@link RunningMode.VIDEO}.
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*
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* <p>It's required to provide the video frame's timestamp (in milliseconds). The input timestamps
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* must be monotonically increasing.
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*
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* <p>{@link FaceDetector} supports the following color space types:
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*
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* <ul>
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* <li>{@link Bitmap.Config.ARGB_8888}
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* </ul>
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*
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* @param image a MediaPipe {@link MPImage} object for processing.
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* @param timestampMs the input timestamp (in milliseconds).
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* @throws MediaPipeException if there is an internal error.
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*/
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public FaceDetectorResult detectForVideo(MPImage image, long timestampMs) {
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return detectForVideo(image, ImageProcessingOptions.builder().build(), timestampMs);
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}
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/**
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* Performs face detection on the provided video frame. Only use this method when the {@link
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* FaceDetector} is created with {@link RunningMode.VIDEO}.
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*
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* <p>It's required to provide the video frame's timestamp (in milliseconds). The input timestamps
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* must be monotonically increasing.
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*
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* <p>{@link FaceDetector} supports the following color space types:
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*
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* <ul>
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* <li>{@link Bitmap.Config.ARGB_8888}
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* </ul>
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*
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* @param image a MediaPipe {@link MPImage} object for processing.
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* @param imageProcessingOptions the {@link ImageProcessingOptions} specifying how to process the
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* input image before running inference. Note that region-of-interest is <b>not</b> supported
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* by this task: specifying {@link ImageProcessingOptions#regionOfInterest()} will result in
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* this method throwing an IllegalArgumentException.
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* @param timestampMs the input timestamp (in milliseconds).
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* @throws IllegalArgumentException if the {@link ImageProcessingOptions} specify a
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* region-of-interest.
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* @throws MediaPipeException if there is an internal error.
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*/
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public FaceDetectorResult detectForVideo(
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MPImage image, ImageProcessingOptions imageProcessingOptions, long timestampMs) {
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validateImageProcessingOptions(imageProcessingOptions);
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return (FaceDetectorResult) processVideoData(image, imageProcessingOptions, timestampMs);
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}
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/**
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* Sends live image data to perform face detection with default image processing options, i.e.
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* without any rotation applied, and the results will be available via the {@link ResultListener}
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* provided in the {@link FaceDetectorOptions}. Only use this method when the {@link FaceDetector}
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* is created with {@link RunningMode.LIVE_STREAM}.
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*
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* <p>It's required to provide a timestamp (in milliseconds) to indicate when the input image is
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* sent to the face detector. The input timestamps must be monotonically increasing.
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*
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* <p>{@link FaceDetector} supports the following color space types:
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*
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* <ul>
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* <li>{@link Bitmap.Config.ARGB_8888}
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* </ul>
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*
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* @param image a MediaPipe {@link MPImage} object for processing.
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* @param timestampMs the input timestamp (in milliseconds).
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* @throws MediaPipeException if there is an internal error.
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*/
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public void detectAsync(MPImage image, long timestampMs) {
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detectAsync(image, ImageProcessingOptions.builder().build(), timestampMs);
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}
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/**
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* Sends live image data to perform face detection, and the results will be available via the
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* {@link ResultListener} provided in the {@link FaceDetectorOptions}. Only use this method when
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* the {@link FaceDetector} is created with {@link RunningMode.LIVE_STREAM}.
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*
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* <p>It's required to provide a timestamp (in milliseconds) to indicate when the input image is
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* sent to the face detector. The input timestamps must be monotonically increasing.
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*
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* <p>{@link FaceDetector} supports the following color space types:
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*
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* <ul>
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* <li>{@link Bitmap.Config.ARGB_8888}
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* </ul>
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*
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* @param image a MediaPipe {@link MPImage} object for processing.
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* @param imageProcessingOptions the {@link ImageProcessingOptions} specifying how to process the
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* input image before running inference. Note that region-of-interest is <b>not</b> supported
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* by this task: specifying {@link ImageProcessingOptions#regionOfInterest()} will result in
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* this method throwing an IllegalArgumentException.
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* @param timestampMs the input timestamp (in milliseconds).
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* @throws IllegalArgumentException if the {@link ImageProcessingOptions} specify a
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* region-of-interest.
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* @throws MediaPipeException if there is an internal error.
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*/
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public void detectAsync(
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MPImage image, ImageProcessingOptions imageProcessingOptions, long timestampMs) {
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validateImageProcessingOptions(imageProcessingOptions);
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sendLiveStreamData(image, imageProcessingOptions, timestampMs);
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}
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/** Options for setting up a {@link FaceDetector}. */
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@AutoValue
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public abstract static class FaceDetectorOptions extends TaskOptions {
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/** Builder for {@link FaceDetectorOptions}. */
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@AutoValue.Builder
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public abstract static class Builder {
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/** Sets the {@link BaseOptions} for the face detector task. */
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public abstract Builder setBaseOptions(BaseOptions value);
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/**
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* Sets the {@link RunningMode} for the face detector task. Default to the image mode. face
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* detector has three modes:
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*
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* <ul>
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* <li>IMAGE: The mode for detecting faces on single image inputs.
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* <li>VIDEO: The mode for detecting faces on the decoded frames of a video.
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* <li>LIVE_STREAM: The mode for for detecting faces on a live stream of input data, such as
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* from camera. In this mode, {@code setResultListener} must be called to set up a
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* listener to receive the detection results asynchronously.
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* </ul>
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*/
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public abstract Builder setRunningMode(RunningMode value);
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/**
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* Sets the minimum confidence score for the face detection to be considered successful. The
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* default minDetectionConfidence is 0.5.
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*/
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public abstract Builder setMinDetectionConfidence(Float value);
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/**
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* Sets the minimum non-maximum-suppression threshold for face detection to be considered
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* overlapped. The default minSuppressionThreshold is 0.3.
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*/
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public abstract Builder setMinSuppressionThreshold(Float value);
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/**
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* Sets the {@link ResultListener} to receive the detection results asynchronously when the
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* face detector is in the live stream mode.
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*/
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public abstract Builder setResultListener(ResultListener<FaceDetectorResult, MPImage> value);
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/** Sets an optional {@link ErrorListener}}. */
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public abstract Builder setErrorListener(ErrorListener value);
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abstract FaceDetectorOptions autoBuild();
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/**
|
||||
* Validates and builds the {@link FaceDetectorOptions} instance.
|
||||
*
|
||||
* @throws IllegalArgumentException if the result listener and the running mode are not
|
||||
* properly configured. The result listener should only be set when the face detector is
|
||||
* in the live stream mode.
|
||||
*/
|
||||
public final FaceDetectorOptions build() {
|
||||
FaceDetectorOptions options = autoBuild();
|
||||
if (options.runningMode() == RunningMode.LIVE_STREAM) {
|
||||
if (!options.resultListener().isPresent()) {
|
||||
throw new IllegalArgumentException(
|
||||
"The face detector is in the live stream mode, a user-defined result listener"
|
||||
+ " must be provided in FaceDetectorOptions.");
|
||||
}
|
||||
} else if (options.resultListener().isPresent()) {
|
||||
throw new IllegalArgumentException(
|
||||
"The face detector is in the image or the video mode, a user-defined result"
|
||||
+ " listener shouldn't be provided in FaceDetectorOptions.");
|
||||
}
|
||||
return options;
|
||||
}
|
||||
}
|
||||
|
||||
abstract BaseOptions baseOptions();
|
||||
|
||||
abstract RunningMode runningMode();
|
||||
|
||||
abstract float minDetectionConfidence();
|
||||
|
||||
abstract float minSuppressionThreshold();
|
||||
|
||||
abstract Optional<ResultListener<FaceDetectorResult, MPImage>> resultListener();
|
||||
|
||||
abstract Optional<ErrorListener> errorListener();
|
||||
|
||||
public static Builder builder() {
|
||||
return new AutoValue_FaceDetector_FaceDetectorOptions.Builder()
|
||||
.setRunningMode(RunningMode.IMAGE)
|
||||
.setMinDetectionConfidence(0.5f)
|
||||
.setMinSuppressionThreshold(0.3f);
|
||||
}
|
||||
|
||||
/** Converts a {@link FaceDetectorOptions} to a {@link CalculatorOptions} protobuf message. */
|
||||
@Override
|
||||
public CalculatorOptions convertToCalculatorOptionsProto() {
|
||||
BaseOptionsProto.BaseOptions.Builder baseOptionsBuilder =
|
||||
BaseOptionsProto.BaseOptions.newBuilder();
|
||||
baseOptionsBuilder.setUseStreamMode(runningMode() != RunningMode.IMAGE);
|
||||
baseOptionsBuilder.mergeFrom(convertBaseOptionsToProto(baseOptions()));
|
||||
FaceDetectorGraphOptionsProto.FaceDetectorGraphOptions.Builder taskOptionsBuilder =
|
||||
FaceDetectorGraphOptionsProto.FaceDetectorGraphOptions.newBuilder()
|
||||
.setBaseOptions(baseOptionsBuilder);
|
||||
taskOptionsBuilder.setMinDetectionConfidence(minDetectionConfidence());
|
||||
taskOptionsBuilder.setMinSuppressionThreshold(minSuppressionThreshold());
|
||||
return CalculatorOptions.newBuilder()
|
||||
.setExtension(
|
||||
FaceDetectorGraphOptionsProto.FaceDetectorGraphOptions.ext,
|
||||
taskOptionsBuilder.build())
|
||||
.build();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Validates that the provided {@link ImageProcessingOptions} doesn't contain a
|
||||
* region-of-interest.
|
||||
*/
|
||||
private static void validateImageProcessingOptions(
|
||||
ImageProcessingOptions imageProcessingOptions) {
|
||||
if (imageProcessingOptions.regionOfInterest().isPresent()) {
|
||||
throw new IllegalArgumentException("FaceDetector doesn't support region-of-interest.");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
package="com.google.mediapipe.tasks.vision.facedetectortest"
|
||||
android:versionCode="1"
|
||||
android:versionName="1.0" >
|
||||
|
||||
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
|
||||
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
|
||||
|
||||
<uses-sdk android:minSdkVersion="24"
|
||||
android:targetSdkVersion="30" />
|
||||
|
||||
<application
|
||||
android:label="facedetectortest"
|
||||
android:name="android.support.multidex.MultiDexApplication"
|
||||
android:taskAffinity="">
|
||||
<uses-library android:name="android.test.runner" />
|
||||
</application>
|
||||
|
||||
<instrumentation
|
||||
android:name="com.google.android.apps.common.testing.testrunner.GoogleInstrumentationTestRunner"
|
||||
android:targetPackage="com.google.mediapipe.tasks.vision.facedetectortest" />
|
||||
|
||||
</manifest>
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
# Copyright 2023 The MediaPipe Authors. All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
package(default_visibility = ["//mediapipe/tasks:internal"])
|
||||
|
||||
licenses(["notice"])
|
||||
|
||||
# TODO: Enable this in OSS
|
||||
|
|
@ -0,0 +1,455 @@
|
|||
// Copyright 2023 The MediaPipe Authors. All Rights Reserved.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package com.google.mediapipe.tasks.vision.facedetector;
|
||||
|
||||
import static com.google.common.truth.Truth.assertThat;
|
||||
import static org.junit.Assert.assertThrows;
|
||||
|
||||
import android.content.res.AssetManager;
|
||||
import android.graphics.BitmapFactory;
|
||||
import android.graphics.RectF;
|
||||
import androidx.test.core.app.ApplicationProvider;
|
||||
import androidx.test.ext.junit.runners.AndroidJUnit4;
|
||||
import com.google.mediapipe.framework.MediaPipeException;
|
||||
import com.google.mediapipe.framework.image.BitmapImageBuilder;
|
||||
import com.google.mediapipe.framework.image.MPImage;
|
||||
import com.google.mediapipe.tasks.components.containers.NormalizedKeypoint;
|
||||
import com.google.mediapipe.tasks.core.BaseOptions;
|
||||
import com.google.mediapipe.tasks.core.TestUtils;
|
||||
import com.google.mediapipe.tasks.vision.core.ImageProcessingOptions;
|
||||
import com.google.mediapipe.tasks.vision.core.RunningMode;
|
||||
import com.google.mediapipe.tasks.vision.facedetector.FaceDetector.FaceDetectorOptions;
|
||||
import java.io.InputStream;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.Suite;
|
||||
import org.junit.runners.Suite.SuiteClasses;
|
||||
|
||||
/** Test for {@link FaceDetector}. */
|
||||
@RunWith(Suite.class)
|
||||
@SuiteClasses({FaceDetectorTest.General.class, FaceDetectorTest.RunningModeTest.class})
|
||||
public class FaceDetectorTest {
|
||||
private static final String MODEL_FILE = "face_detection_short_range.tflite";
|
||||
private static final String CAT_IMAGE = "cat.jpg";
|
||||
private static final String PORTRAIT_IMAGE = "portrait.jpg";
|
||||
private static final String PORTRAIT_ROTATED_IMAGE = "portrait_rotated.jpg";
|
||||
private static final float KEYPOINTS_DIFF_TOLERANCE = 0.01f;
|
||||
private static final float PIXEL_DIFF_TOLERANCE = 5.0f;
|
||||
private static final RectF PORTRAIT_FACE_BOUNDING_BOX = new RectF(283, 115, 514, 349);
|
||||
private static final List<NormalizedKeypoint> PORTRAIT_FACE_KEYPOINTS =
|
||||
Collections.unmodifiableList(
|
||||
Arrays.asList(
|
||||
NormalizedKeypoint.create(0.44416f, 0.17643f),
|
||||
NormalizedKeypoint.create(0.55514f, 0.17731f),
|
||||
NormalizedKeypoint.create(0.50467f, 0.22657f),
|
||||
NormalizedKeypoint.create(0.50227f, 0.27199f),
|
||||
NormalizedKeypoint.create(0.36063f, 0.20143f),
|
||||
NormalizedKeypoint.create(0.60841f, 0.20409f)));
|
||||
private static final RectF PORTRAIT_ROTATED_FACE_BOUNDING_BOX = new RectF(674, 283, 910, 519);
|
||||
private static final List<NormalizedKeypoint> PORTRAIT_ROTATED_FACE_KEYPOINTS =
|
||||
Collections.unmodifiableList(
|
||||
Arrays.asList(
|
||||
NormalizedKeypoint.create(0.82075f, 0.44679f),
|
||||
NormalizedKeypoint.create(0.81965f, 0.56261f),
|
||||
NormalizedKeypoint.create(0.76194f, 0.51719f),
|
||||
NormalizedKeypoint.create(0.71993f, 0.51360f),
|
||||
NormalizedKeypoint.create(0.80700f, 0.36298f),
|
||||
NormalizedKeypoint.create(0.80882f, 0.61204f)));
|
||||
|
||||
@RunWith(AndroidJUnit4.class)
|
||||
public static final class General extends FaceDetectorTest {
|
||||
|
||||
@Test
|
||||
public void detect_successWithValidModels() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.build();
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
FaceDetectorResult results = faceDetector.detect(getImageFromAsset(PORTRAIT_IMAGE));
|
||||
assertContainsSinglePortraitFace(
|
||||
results, PORTRAIT_FACE_BOUNDING_BOX, PORTRAIT_FACE_KEYPOINTS);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_succeedsWithMinDetectionConfidence() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setMinDetectionConfidence(1.0f)
|
||||
.build();
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
FaceDetectorResult results = faceDetector.detect(getImageFromAsset(PORTRAIT_IMAGE));
|
||||
// Set minDetectionConfidence to 1.0, so the detected face should be all filtered out.
|
||||
assertThat(results.detections().isEmpty()).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_succeedsWithEmptyFace() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setMinDetectionConfidence(1.0f)
|
||||
.build();
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
FaceDetectorResult results = faceDetector.detect(getImageFromAsset(CAT_IMAGE));
|
||||
assertThat(results.detections().isEmpty()).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_succeedsWithModelFileObject() throws Exception {
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromFile(
|
||||
ApplicationProvider.getApplicationContext(),
|
||||
TestUtils.loadFile(ApplicationProvider.getApplicationContext(), MODEL_FILE));
|
||||
FaceDetectorResult results = faceDetector.detect(getImageFromAsset(PORTRAIT_IMAGE));
|
||||
assertContainsSinglePortraitFace(
|
||||
results, PORTRAIT_FACE_BOUNDING_BOX, PORTRAIT_FACE_KEYPOINTS);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_succeedsWithModelBuffer() throws Exception {
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromBuffer(
|
||||
ApplicationProvider.getApplicationContext(),
|
||||
TestUtils.loadToDirectByteBuffer(
|
||||
ApplicationProvider.getApplicationContext(), MODEL_FILE));
|
||||
FaceDetectorResult results = faceDetector.detect(getImageFromAsset(PORTRAIT_IMAGE));
|
||||
assertContainsSinglePortraitFace(
|
||||
results, PORTRAIT_FACE_BOUNDING_BOX, PORTRAIT_FACE_KEYPOINTS);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_succeedsWithModelBufferAndOptions() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(
|
||||
BaseOptions.builder()
|
||||
.setModelAssetBuffer(
|
||||
TestUtils.loadToDirectByteBuffer(
|
||||
ApplicationProvider.getApplicationContext(), MODEL_FILE))
|
||||
.build())
|
||||
.build();
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
FaceDetectorResult results = faceDetector.detect(getImageFromAsset(PORTRAIT_IMAGE));
|
||||
assertContainsSinglePortraitFace(
|
||||
results, PORTRAIT_FACE_BOUNDING_BOX, PORTRAIT_FACE_KEYPOINTS);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void create_failsWithMissingModel() throws Exception {
|
||||
String nonexistentFile = "/path/to/non/existent/file";
|
||||
MediaPipeException exception =
|
||||
assertThrows(
|
||||
MediaPipeException.class,
|
||||
() ->
|
||||
FaceDetector.createFromFile(
|
||||
ApplicationProvider.getApplicationContext(), nonexistentFile));
|
||||
assertThat(exception).hasMessageThat().contains(nonexistentFile);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void create_failsWithInvalidModelBuffer() throws Exception {
|
||||
// Create a non-direct model ByteBuffer.
|
||||
ByteBuffer modelBuffer =
|
||||
TestUtils.loadToNonDirectByteBuffer(
|
||||
ApplicationProvider.getApplicationContext(), MODEL_FILE);
|
||||
|
||||
IllegalArgumentException exception =
|
||||
assertThrows(
|
||||
IllegalArgumentException.class,
|
||||
() ->
|
||||
FaceDetector.createFromBuffer(
|
||||
ApplicationProvider.getApplicationContext(), modelBuffer));
|
||||
|
||||
assertThat(exception)
|
||||
.hasMessageThat()
|
||||
.contains("The model buffer should be either a direct ByteBuffer or a MappedByteBuffer.");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_succeedsWithRotation() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.build();
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
ImageProcessingOptions imageProcessingOptions =
|
||||
ImageProcessingOptions.builder().setRotationDegrees(-90).build();
|
||||
FaceDetectorResult results =
|
||||
faceDetector.detect(getImageFromAsset(PORTRAIT_ROTATED_IMAGE), imageProcessingOptions);
|
||||
assertContainsSinglePortraitFace(
|
||||
results, PORTRAIT_ROTATED_FACE_BOUNDING_BOX, PORTRAIT_ROTATED_FACE_KEYPOINTS);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_failsWithRegionOfInterest() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.build();
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
ImageProcessingOptions imageProcessingOptions =
|
||||
ImageProcessingOptions.builder().setRegionOfInterest(new RectF(0, 0, 1, 1)).build();
|
||||
IllegalArgumentException exception =
|
||||
assertThrows(
|
||||
IllegalArgumentException.class,
|
||||
() -> faceDetector.detect(getImageFromAsset(PORTRAIT_IMAGE), imageProcessingOptions));
|
||||
assertThat(exception)
|
||||
.hasMessageThat()
|
||||
.contains("FaceDetector doesn't support region-of-interest");
|
||||
}
|
||||
}
|
||||
|
||||
@RunWith(AndroidJUnit4.class)
|
||||
public static final class RunningModeTest extends FaceDetectorTest {
|
||||
|
||||
@Test
|
||||
public void create_failsWithIllegalResultListenerInNonLiveStreamMode() throws Exception {
|
||||
for (RunningMode mode : new RunningMode[] {RunningMode.IMAGE, RunningMode.VIDEO}) {
|
||||
IllegalArgumentException exception =
|
||||
assertThrows(
|
||||
IllegalArgumentException.class,
|
||||
() ->
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setRunningMode(mode)
|
||||
.setResultListener((faceDetectorResult, inputImage) -> {})
|
||||
.build());
|
||||
assertThat(exception)
|
||||
.hasMessageThat()
|
||||
.contains("a user-defined result listener shouldn't be provided");
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void create_failsWithMissingResultListenerInLiveSteamMode() throws Exception {
|
||||
IllegalArgumentException exception =
|
||||
assertThrows(
|
||||
IllegalArgumentException.class,
|
||||
() ->
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setRunningMode(RunningMode.LIVE_STREAM)
|
||||
.build());
|
||||
assertThat(exception)
|
||||
.hasMessageThat()
|
||||
.contains("a user-defined result listener must be provided");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_failsWithCallingWrongApiInImageMode() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setRunningMode(RunningMode.IMAGE)
|
||||
.build();
|
||||
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
MediaPipeException exception =
|
||||
assertThrows(
|
||||
MediaPipeException.class,
|
||||
() ->
|
||||
faceDetector.detectForVideo(
|
||||
getImageFromAsset(PORTRAIT_IMAGE), /* timestampsMs= */ 0));
|
||||
assertThat(exception).hasMessageThat().contains("not initialized with the video mode");
|
||||
exception =
|
||||
assertThrows(
|
||||
MediaPipeException.class,
|
||||
() ->
|
||||
faceDetector.detectAsync(
|
||||
getImageFromAsset(PORTRAIT_IMAGE), /* timestampsMs= */ 0));
|
||||
assertThat(exception).hasMessageThat().contains("not initialized with the live stream mode");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_failsWithCallingWrongApiInVideoMode() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setRunningMode(RunningMode.VIDEO)
|
||||
.build();
|
||||
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
MediaPipeException exception =
|
||||
assertThrows(
|
||||
MediaPipeException.class,
|
||||
() -> faceDetector.detect(getImageFromAsset(PORTRAIT_IMAGE)));
|
||||
assertThat(exception).hasMessageThat().contains("not initialized with the image mode");
|
||||
exception =
|
||||
assertThrows(
|
||||
MediaPipeException.class,
|
||||
() ->
|
||||
faceDetector.detectAsync(
|
||||
getImageFromAsset(PORTRAIT_IMAGE), /* timestampsMs= */ 0));
|
||||
assertThat(exception).hasMessageThat().contains("not initialized with the live stream mode");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_failsWithCallingWrongApiInLiveSteamMode() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setRunningMode(RunningMode.LIVE_STREAM)
|
||||
.setResultListener((faceDetectorResult, inputImage) -> {})
|
||||
.build();
|
||||
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
|
||||
MediaPipeException exception =
|
||||
assertThrows(
|
||||
MediaPipeException.class,
|
||||
() -> faceDetector.detect(getImageFromAsset(PORTRAIT_IMAGE)));
|
||||
assertThat(exception).hasMessageThat().contains("not initialized with the image mode");
|
||||
exception =
|
||||
assertThrows(
|
||||
MediaPipeException.class,
|
||||
() ->
|
||||
faceDetector.detectForVideo(
|
||||
getImageFromAsset(PORTRAIT_IMAGE), /* timestampsMs= */ 0));
|
||||
assertThat(exception).hasMessageThat().contains("not initialized with the video mode");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_successWithImageMode() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setRunningMode(RunningMode.IMAGE)
|
||||
.build();
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
FaceDetectorResult results = faceDetector.detect(getImageFromAsset(PORTRAIT_IMAGE));
|
||||
assertContainsSinglePortraitFace(
|
||||
results, PORTRAIT_FACE_BOUNDING_BOX, PORTRAIT_FACE_KEYPOINTS);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_successWithVideoMode() throws Exception {
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setRunningMode(RunningMode.VIDEO)
|
||||
.build();
|
||||
FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options);
|
||||
for (int i = 0; i < 3; i++) {
|
||||
FaceDetectorResult results =
|
||||
faceDetector.detectForVideo(getImageFromAsset(PORTRAIT_IMAGE), /* timestampsMs= */ i);
|
||||
assertContainsSinglePortraitFace(
|
||||
results, PORTRAIT_FACE_BOUNDING_BOX, PORTRAIT_FACE_KEYPOINTS);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_failsWithOutOfOrderInputTimestamps() throws Exception {
|
||||
MPImage image = getImageFromAsset(PORTRAIT_IMAGE);
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setRunningMode(RunningMode.LIVE_STREAM)
|
||||
.setResultListener(
|
||||
(faceDetectorResult, inputImage) -> {
|
||||
assertContainsSinglePortraitFace(
|
||||
faceDetectorResult, PORTRAIT_FACE_BOUNDING_BOX, PORTRAIT_FACE_KEYPOINTS);
|
||||
})
|
||||
.build();
|
||||
try (FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options)) {
|
||||
faceDetector.detectAsync(image, /* timestampsMs= */ 1);
|
||||
MediaPipeException exception =
|
||||
assertThrows(
|
||||
MediaPipeException.class,
|
||||
() -> faceDetector.detectAsync(image, /* timestampsMs= */ 0));
|
||||
assertThat(exception)
|
||||
.hasMessageThat()
|
||||
.contains("having a smaller timestamp than the processed timestamp");
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void detect_successWithLiveSteamMode() throws Exception {
|
||||
MPImage image = getImageFromAsset(PORTRAIT_IMAGE);
|
||||
FaceDetectorOptions options =
|
||||
FaceDetectorOptions.builder()
|
||||
.setBaseOptions(BaseOptions.builder().setModelAssetPath(MODEL_FILE).build())
|
||||
.setRunningMode(RunningMode.LIVE_STREAM)
|
||||
.setResultListener(
|
||||
(faceDetectorResult, inputImage) -> {
|
||||
assertContainsSinglePortraitFace(
|
||||
faceDetectorResult, PORTRAIT_FACE_BOUNDING_BOX, PORTRAIT_FACE_KEYPOINTS);
|
||||
})
|
||||
.build();
|
||||
try (FaceDetector faceDetector =
|
||||
FaceDetector.createFromOptions(ApplicationProvider.getApplicationContext(), options)) {
|
||||
for (int i = 0; i < 3; i++) {
|
||||
faceDetector.detectAsync(image, /* timestampsMs= */ i);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static MPImage getImageFromAsset(String filePath) throws Exception {
|
||||
AssetManager assetManager = ApplicationProvider.getApplicationContext().getAssets();
|
||||
InputStream istr = assetManager.open(filePath);
|
||||
return new BitmapImageBuilder(BitmapFactory.decodeStream(istr)).build();
|
||||
}
|
||||
|
||||
private static void assertContainsSinglePortraitFace(
|
||||
FaceDetectorResult results,
|
||||
RectF expectedboundingBox,
|
||||
List<NormalizedKeypoint> expectedKeypoints) {
|
||||
assertThat(results.detections()).hasSize(1);
|
||||
assertApproximatelyEqualBoundingBoxes(
|
||||
results.detections().get(0).boundingBox(), expectedboundingBox);
|
||||
assertThat(results.detections().get(0).keypoints().isPresent()).isTrue();
|
||||
assertApproximatelyEqualKeypoints(
|
||||
results.detections().get(0).keypoints().get(), expectedKeypoints);
|
||||
}
|
||||
|
||||
private static void assertApproximatelyEqualBoundingBoxes(
|
||||
RectF boundingBox1, RectF boundingBox2) {
|
||||
assertThat(boundingBox1.left).isWithin(PIXEL_DIFF_TOLERANCE).of(boundingBox2.left);
|
||||
assertThat(boundingBox1.top).isWithin(PIXEL_DIFF_TOLERANCE).of(boundingBox2.top);
|
||||
assertThat(boundingBox1.right).isWithin(PIXEL_DIFF_TOLERANCE).of(boundingBox2.right);
|
||||
assertThat(boundingBox1.bottom).isWithin(PIXEL_DIFF_TOLERANCE).of(boundingBox2.bottom);
|
||||
}
|
||||
|
||||
private static void assertApproximatelyEqualKeypoints(
|
||||
List<NormalizedKeypoint> keypoints1, List<NormalizedKeypoint> keypoints2) {
|
||||
assertThat(keypoints1.size()).isEqualTo(keypoints2.size());
|
||||
for (int i = 0; i < keypoints1.size(); i++) {
|
||||
assertThat(keypoints1.get(i).x())
|
||||
.isWithin(KEYPOINTS_DIFF_TOLERANCE)
|
||||
.of(keypoints2.get(i).x());
|
||||
assertThat(keypoints1.get(i).y())
|
||||
.isWithin(KEYPOINTS_DIFF_TOLERANCE)
|
||||
.of(keypoints2.get(i).y());
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user